Ready to believe
A). Credulous
B). Credible
C). Creditable
D). Incredible
Credulous
One word substitute is Credulous.
Credulous: having or showing too great a readiness to believe things.
Credible: able to be believed
Creditable: (of a performance, effort, or action) deserving public acknowledgement and praise but not necessarily outstanding or successful.
Incredible: impossible to believe.
4. What is the substitute of - Constant efforts to achieve something
5. What is the substitute of - To supply land with water by artificial means
6. What is the substitute of - A person who is self-centred
8. A person obsessed with exclusively one idea or subject